'''
python里面的保留字
and as assert break class continue def del elif else excerpt finally for from
False global if import in is lambda nonlocal not None or pass raise return
try True while with yield await async
'''

# 查询python的保留字,,,严格区分大小写！！！
import keyword

print(keyword.kwlist)
print(len(keyword.kwlist), '个关键字', sep='')  # 获取保留字的个数
